Specs Flashcards
MDE L/O
Temp
200-250 degrees F
Maintained by J/W cooler
Thermostat
170 degrees F
Aftercooler
Removes about 100degrees F of heat from charged air via coolant to air heat exchange
MDE L/O PSI
Normal range 49-70psi
MDE oil pump
Scavenging with 2 pumps
Aft oil pump-scavenging
Forward main pump
MDE L/O pressure relief valve
Located in oil cooler adapter plate relieves pressure at 105 psi and dumps oil back to sump
MDE L/O filter
30 micron
MDE L/O pressure regulating valve
Located at the end of a vertical oil gallery.
Stabilizes pressure at all speeds
Opens at 62psi and dumps oil back to sump
Oil filter bypass valve
18-21 psi
Blower psi
5psi
Turbo Psi
20 or more
Fuel capacity
394 100%
373 95%
Suction is 2” from bottom of tank at frame 6
Pickup has Bonnet for capsized operation
Baffles are at frames 6 and 7
Fuel pump
Driven off the front of the blower
Has relief valve at 62psi
Has return check valve to protect seal incase engine is counter-rotated
Fuel filters
Primary 30 micron duplex particulate and water
Secondary 2-4 micron
Fuel purpose
Injecting
Cooling the fire deck
Cleaning and lubricating injectors
80% of file flows back to tank
Fuel orifice
On the output side of the fuel cooler there is a .080” restricted orifice
Steering
Telus T 15 hydraulic fluid 2 gallons
Helm pump
Axial piston pump displaces 2.3 cubic “ of fluid per revolution
hydraulic filter
10 micron
120 VAC panel
Breakers for two Victron inverters,
HVAC units
hot starts
Shore power
Read gear pressure
Disengaged 58 to 66 PSI
Engaged 230 to 290 psi
Normal engine water temp
160 to 1 92°F
If your name is Hastings
You gonna fail
